the first term of ap is 5 and 11 term is 125 find the common difference
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2
a=5,
T11=125,
then
a+(11-1)d=125,
5+10d=125,
10d=125-5,
10d=120,
then
d=120/10,
d=12
T11=125,
then
a+(11-1)d=125,
5+10d=125,
10d=125-5,
10d=120,
then
d=120/10,
d=12
Answered by
2
common difference is 20
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